Saulės kolektoriai pilno vakuumo Germanstar DF 65, DF 65/20, DF 65/30, aukšta kokybė "Pagaminta Vokietijoje".
Pilno vakuumo saulės kolektorius Germanstar DF 65 ypač galingi ir efektyvūs apniukusią dieną net ir šaltuoju metų laiku.
| Specifications Germanstar DF 65 High vacuum collector direct flow through |
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|---|---|---|---|
| Type | High vacuum tube, sealing by thermo compression |  |
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| Certificate, performance test | DIN 4757, pr EN12975, Solarkeymark 011-7S2224 R | ||
| Shape of absorber | flat | ||
| Modules | Germanstar DF 65/10 | Germanstar DF 65/20 |
Germanstar DF 65/30 |
| Number of tubes | 10 | 20 | 30 |
| Absorber area | 1.004 m² | 2.007 m² | 3.012 m² |
| Aperture area | 1.071 m² | 2.193 m² | 3.214 m² |
| Gross area | 1.538 m² | 3.071 m² | 4.613 m² |
| Length x width x height (mm) | 2,050 x 750 x 125 mm | 2,050 x 1,498 x 125 mm | 2,050 x 2,250 x 125 mm |
| Weight (empty) | 33.0 kg | 63.5 kg | 94.0 kg |
| Pressure loss at flow rate 100 l/h per m² | 0.0028 bar | 0.0082 bar | 0.0325 bar |
| Liquid contents | 1.6 l | 3.035 l | 4.5 l |
| Glass material | High-grade boron silicate hard glass | ||
| Glass tube diameter | 65 mm | ||
| Wall thickness | 2.0 mm | ||
| Vacuum | <10-5 mbar | ||
| Absorber material | Copper | ||
| Coating | Titanium-Nitrite-Oxide | ||
| Absorption coefficient | > 95 % | ||
| Emission coefficient | < 5 % | ||
| Tilt angle | 0° to 90° | ||
| Test pressure | 10 bar | ||
| Max. permissible operating pressure | 6 bar | ||
| Max. idle temperature of module measured/calculated | 147 °C/ 365 °C | ||
| Max. idle temperature of tube | 369 °C | ||
| Connection of modules | Locking ring | ||
| Manifold | Copper, 22 mm | ||
| Manifold casing | Aluminium, extrudet | ||
| Coating | Powder coating, RAL 7016 | ||
| Insulation | Mineral wool, 115 kg/m³ | ||
| Base support, side bars | Aluminium | ||